package day2;

/**
 * @author oldliu
 * @since 1.0
 */
public class Banking {
    public static void main(String[] args) {
        double m1=4e4;
        double m2=m1;
        System.out.println(m1);
        System.out.println(m2);
        int a=100;
        int b=22;
        System.out.println("a="+a+",b="+b);
        int c=a;
        a=b;
        b=c;
        System.out.println("互换后：");
        System.out.println("a="+a+",b="+b);
    }
}
